One pair of 12AU7 tubes, by Mullard for GE, with identical Mullard codes.

The Mullard code: B6A3 and B6A3.

Test Ratings: 100/100 and 105/100  on my Jackson 648s tester, minimum is 70, new tubes at about 115.

SHIPPING: Shipping rates quoted are for USA and Canada only.. Any other countries please contact me for slightly higher rate estimate before purchase to have smooth procedure later.

Please pay in 3 days. Combined shipping is welcome. If you have paid for individual items and have surplus shipping fee paid for, I will refund you immediately when I send out the combined parcel.